3a38b4de6a1f5d29b197a2ca23e87d97d912068fbfb2afeed30105f273f431a4

Analysis

max time kernel
133s
max time network
151s
platform
ubuntu-20.04_amd64
resource
ubuntu2004-amd64-20240508-en
resource tags

arch:amd64arch:i386image:ubuntu2004-amd64-20240508-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
submitted
04-12-2024 18:49

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General

Target

x86.elf
Size

140KB
MD5

940e95cef426d7a84b553331473fcf32
SHA1

4bf7243b8d7d40b8a32817d76bfce8d827c6e32c
SHA256

3a38b4de6a1f5d29b197a2ca23e87d97d912068fbfb2afeed30105f273f431a4
SHA512

ad26694fd8685a26a2a8ff2f103d8f10e320818feb9e7aaed477e51e05d09e3917b1cb6eac6804cfaf903a59199d3806d858a61d279530cf18f66adb7def5ccb
SSDEEP

3072:ezwFzskMXc8TfskyCBkIOVPem4MSRAW8+DA6Dcoixgr1TkM3Q:eGMXxJyCbOIdsEDcoixgr1TkM3Q

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (71332) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	x86.elf
File opened for modification	/dev/misc/watchdog	x86.elf

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	x86.elf

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	sshd	1414	x86.elf

Reads system network configuration 1 TTPs 1 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/route	x86.elf

/tmp/x86.elf
/tmp/x86.elf
1⤵
- Modifies Watchdog functionality
- Reads system routing table
- Changes its process name
- Reads system network configuration
PID:1414

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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